<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Primise 封装 - 异步任务回调的执行</title>
    <script src="./promise.js"></script>
</head>
<body>
    <script>
        let p =new Promise((resolve,reject)=>{
            setTimeout(()=>{
                resolve('ok');
            },1000)
        });
 
        p.then(value=>{
            console.log(value);
        },reason=>{
            console.warn(reason)
        })
    </script>
    
</body>
</html>